Categories: Malware

Symmi.42400 removal tips

The Symmi.42400 is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
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What Symmi.42400 virus can do?

  • Executable code extraction
  • Attempts to connect to a dead IP:Port (4 unique times)
  • Creates RWX memory
  • At least one IP Address, Domain, or File Name was found in a crypto call
  • Reads data out of its own binary image
  • Unconventionial language used in binary resources: Chinese (Simplified)
  • The binary likely contains encrypted or compressed data.
  • Attempts to create or modify system certificates

Related domains:

www.163.com
www.baidu.com
www.gitee.com
gitee.com
git.oschina.net

How to determine Symmi.42400?


File Info:

crc32: A3F9D658md5: 4dc1892c3535f147779102b2d7b6afb2name: 4DC1892C3535F147779102B2D7B6AFB2.mlwsha1: e61832c7a59b3a7980c715cebad48157d096168esha256: ba62a479cdc48638eaea1ace4c9ed2d1ebe26160d7c99ba00422f720ca84b7cfsha512: 323aeace985a6dd7be09e5d4ba45e0eb19da91d98e3bce2c608b762a0c0a1519e2d1414e313bcefe72513e9d05cafc84a3f8819cf7efc24057d8a2d896b42470ssdeep: 24576:VG+R3PrTx7D89z22yFL0Jdpto79GtAmt2b5jOTgaZ3h21p/Lj:VGwjRWa2yFgJdptYGtlc5KvZ0type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Symmi.42400 also known as:

Bkav W32.AIDetect.malware2
Elastic malicious (high confidence)
Cynet Malicious (score: 100)
ALYac Gen:Variant.Symmi.42400
Cylance Unsafe
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_60% (D)
BitDefender Gen:Variant.Symmi.42400
Cybereason malicious.c3535f
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/FlyStudio.Packed.U potentially unwanted
APEX Malicious
ClamAV Win.Packed.Fujacks-7618968-0
MicroWorld-eScan Gen:Variant.Symmi.42400
Ad-Aware Gen:Variant.Symmi.42400
Sophos Mal/EncPk-ANJ
VIPRE Trojan-Dropper.Win32.Resdro.b (v) (not malicious)
FireEye Generic.mg.4dc1892c3535f147
Emsisoft Gen:Variant.Symmi.42400 (B)
SentinelOne Static AI – Malicious PE
Avira TR/Crypt.XPACK.Gen
eGambit Unsafe.AI_Score_100%
Microsoft Trojan:Win32/Wacatac.B!ml
Arcabit Trojan.Symmi.DA5A0
GData Gen:Variant.Symmi.42400
AhnLab-V3 Malware/Gen.Reputation.C4305497
Acronis suspicious
MAX malware (ai score=85)
VBA32 BScope.Backdoor.ZAccess
Malwarebytes Malware.AI.2292046122
Rising Malware.Heuristic!ET#98% (RDMK:cmRtazpObH91m6rMI/lD/YRUxOpo)
Yandex Packed/ZProtect
MaxSecure Trojan.Malware.300983.susgen

How to remove Symmi.42400?

  • Download and install GridinSoft Anti-Malware.
  • Open GridinSoft Anti-Malware and perform a “Standard scan“.
  • Move to quarantine” all items.
  • Open “Tools” tab – Press “Reset Browser Settings“.
  • Select proper browser and options – Click “Reset”.
  • Restart your computer.
Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

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